Computes classification accuracy and consistency under Item Response Theory


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Documentation for package ‘cacIRT’ version 1.0

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cacIRT-package Classification accuracy and consistency under Item Response Theory
cacIRT Classification accuracy and consistency under Item Response Theory
class.Lee Computes classification accuracy and consistency with Lee's approach.
class.Rud Computes classification accuracy and consistency with Rudner's approach.
iif Item information function
irf Item response function
Lee.rec.D Lee's accuracy with D method
Lee.rec.P Lee's approach with the P method
MLE Maximum likelihood estimates of ability
normal.qu Normal quadrature points and weights
recursive.raw Recursive computation of conditional total score
Rud.D Rudner's approach with D method
Rud.P Rudner's approach with the P methods
SEM Standard error of measurement of MLE estimates of ability
sim Simulate response data matrix from 3PL model
tif Test information function
TOtable.F Classification table for computing True accuracy or consistency